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APPENDIX I. BATTERY REPLACEMENT INSTRUCTIONS FOR UNITS
MANUFACTURED BEFORE SEPTEMBER 2018
1) Remove the four captive lock regular head screws on the top of the case and lift the cover off.
Underneath the cover is the 'D' cell battery holder.
2) Remove the two batteries from the holder being careful not to bend the sides outward.
3) Insert the new batteries straight down into the battery holder. Ensure that the polarity of the batteries
matches the diagram on the battery holder.
4) Check for secure connection between the battery terminals and holder. If a gap exists, remove
batteries and bend the holder sides inward. See Figure 27 below.
Proper Battery Installation
5) Re-install the cover. Check datalogger for proper operation.
Figure 27 - Battery Installation Detail
Faulty Battery Installation
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